CVE-2022-49498 - CVE House
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Status published Unknown CVE-2022-49498

ALSA: pcm: Check for null pointer of pointer substream before dereferencing it

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null checked with the macro PCM_RUNTIME_CHECK. Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the the pointer check before card is assigned.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
95b30a4312545f2dde9db12bf6a425f35d5a0d77, d4cfb30fce03093ad944e0b44bd8f40bdad5330e, 5.6, 0, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19

Timeline

Official Publish: February 26th, 2025
Last Modified: May 11th, 2026
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.